Hennessey Family History

You can see how Hennessey families moved over time by selecting different census years. The Hennessey family name was found in the USA, the UK, Canada, and Scotland between 1840 and 1920. The most Hennessey families were found in USA in 1880. In 1891 there were 203 Hennessey families living in London. This was about 30% of all the recorded Hennessey's in United Kingdom. London had the highest population of Hennessey families in 1891.

Use census records and voter lists to see where families with the Hennessey surname lived. Within census records, you can often find information like name of household members, ages, birthplaces, residences, and occupations.